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Double E Company Inc.
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Brockton, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Core chuck with resilient rollers
Patent number
4,519,620
Issue date
May 28, 1985
Double E Company Inc.
Robert D. Keith
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Positive retracting mechanical expansible shaft
Patent number
4,492,346
Issue date
Jan 8, 1985
Double E Company Inc.
Lawrence C. Young
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Expansible shaft with actuator retaining member and spherical beari...
Patent number
4,469,288
Issue date
Sep 4, 1984
Double E Company Inc.
Virgil M. Pontes
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Core-engager retainer for an expansible shaft
Patent number
4,433,814
Issue date
Feb 28, 1984
Double E Company Inc.
Virgil M. Pontes
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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last 30 patents
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